GemeShare™ contains thousands of gems and jewelry items with dozens of gem types. The list of gem types is very large and includes most of the common gems, such as: Alexandrite, Amethyst, Ametrine, Apatite, Aquamarine, Benitoite, Citrine, Emerald, Garnet, Iolite, Kunzite, Morganite, Opal, Peridot, Ruby, Sapphire, Spinel, Tanzanite, Topaz, Tourmaline and Zircon. If you would like to offer a new gemstone to the GemeShare™ list, please contact us at support@GemeShare.com for more information